Home / 2,722.10-4,052.37-2,705.90

Finding the Fourth Proportional to 2,722.10, 4,052.37 and 2,705.90

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Solution

The fourth proportional to 2,722.10, 4,052.37 and 2,705.90 is: 4,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.10 : 4,052.37 = 2,705.90 : x
  2. Step 2: Convert to fraction form
    2,722.10/4,052.37 = 2,705.90/x
  3. Step 3: Cross multiply
    2,722.10x = 4,052.37 × 2,705.90
  4. Step 4: Simplify right side
    2,722.10x = 10,965,294.45
  5. Step 5: Solve for x
    x = 10,965,294.45/2,722.10
  6. Step 6: Final answer
    x = 4,028.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.